/* =========================================================
   AF Jardin et Construction Sàrl — feuille de style
   Palette forêt + papier · Fraunces / Hanken Grotesk
   ========================================================= */

:root {
  /* Couleurs */
  --paper:      #FAFAF6;
  --panel:      #F0EFE7;
  --stone:      #E4E1D5;
  --ink:        #181C15;
  --forest:     #21402E;
  --forest-deep:#16281D;
  --sage:       #5E6E5C;
  --line:       #D8D5C8;
  --on-dark:    #ECEEE4;
  --on-dark-dim:#A9B3A2;

  /* Typographie */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Mesures */
  --wrap: 1200px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --radius: 2px;
}

/* --------------------------- Reset -------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* --------------------------- Layout ------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(4rem, 9vw, 8rem); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

/* ------------------------ Typographie ----------------------- */
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--sage);
  display: inline-block;
}
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.02; letter-spacing: -0.015em; }
.display {
  font-size: clamp(2.5rem, 5.5vw, 4.6rem);
  line-height: 1.0;
  letter-spacing: -0.025em;
}
.h2 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
.h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); line-height: 1.1; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.32rem); line-height: 1.55; color: #33382F; }
.muted { color: var(--sage); }
em.serif { font-family: var(--display); font-style: italic; }

/* --------------------------- Boutons ------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.btn--primary { background: var(--forest); color: var(--on-dark); }
.btn--primary:hover { background: var(--forest-deep); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--forest); color: var(--forest); }
.btn--light { background: var(--paper); color: var(--forest); }
.btn--light:hover { background: #fff; transform: translateY(-2px); }
.btn .arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(3px); }

.textlink {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.95rem; color: var(--forest);
  border-bottom: 1px solid transparent; transition: border-color .25s ease;
}
.textlink:hover { border-color: var(--forest); }

/* ------------------------ Signature : règle graduée --------- */
.measure {
  display: flex; align-items: center; gap: 1rem;
  color: var(--sage);
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
}
.measure__rule {
  flex: 1; height: 10px; position: relative;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 28px);
  border-bottom: 1px solid var(--line);
}

/* --------------------------- Header ------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled { border-color: var(--line); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: baseline; gap: 0.55rem; }
.brand__mark {
  font-family: var(--display); font-size: 1.35rem; letter-spacing: -0.02em;
  color: var(--forest);
}
.brand__mark b { font-weight: 600; }
.brand__tag { font-size: 0.66rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--sage); }
.nav__links { display: flex; align-items: center; gap: 2rem; list-style: none; padding: 0; }
.nav__links a {
  font-size: 0.9rem; font-weight: 500; color: var(--ink);
  position: relative; padding-block: 0.4rem;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--forest); transition: width .28s ease;
}
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { width: 100%; }
.nav__links a[aria-current="page"] { color: var(--forest); }
.nav__cta { display: flex; align-items: center; gap: 1.25rem; }

.nav__toggle {
  display: none; background: none; border: 0; padding: 0.5rem; color: var(--ink);
}
.nav__toggle svg { display: block; }

/* --------------------------- Hero --------------------------- */
.hero { padding-top: clamp(3rem, 7vw, 6rem); padding-bottom: clamp(3.5rem, 7vw, 6.5rem); }
.hero__inner { display: grid; gap: clamp(2rem, 4vw, 3.5rem); }
.hero__head { max-width: 820px; }
.hero .display { max-width: 20ch; }
.hero__sub { max-width: 46ch; margin-top: 1.75rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.25rem; }

.hero__frame {
  position: relative; aspect-ratio: 16 / 8;
  border-radius: var(--radius); overflow: hidden;
  background: #dfe6d8 url('../img/hero.svg') center / cover no-repeat;
}
.hero__frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(22,40,29,.45), transparent 45%);
}
.hero__frame span {
  position: absolute; left: 1.4rem; bottom: 1.2rem;
  color: var(--on-dark-dim); font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase;
}

/* --------------------------- Stats -------------------------- */
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; border-top: 1px solid var(--line); padding-top: 2.5rem; }
.fact__n { font-family: var(--display); font-size: clamp(2rem, 4vw, 3rem); color: var(--forest); line-height: 1; }
.fact__l { margin-top: 0.5rem; font-size: 0.9rem; color: var(--sage); }

/* --------------------------- Intro split -------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.split__aside { position: sticky; top: 100px; }

/* --------------------------- Services grid ------------------ */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.service {
  background: var(--paper); padding: clamp(1.75rem, 3vw, 2.75rem);
  display: flex; flex-direction: column; gap: 1rem; min-height: 220px;
  transition: background .3s ease;
}
.service:hover { background: var(--panel); }
.service__idx { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.18em; color: var(--sage); }
.service h3 { color: var(--forest); }
.service p { color: #3a4036; font-size: 0.98rem; }
.service ul { list-style: none; padding: 0; margin-top: auto; display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; }
.service li { font-size: 0.82rem; color: var(--sage); position: relative; padding-left: 0.85rem; }
.service li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 4px; height: 4px; border-radius: 50%; background: var(--forest); }

/* --------------------------- Process ------------------------ */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.step { padding: 2rem 1.5rem 2rem 0; border-top: 2px solid var(--forest); }
.step__n { font-family: var(--display); font-size: 1.1rem; color: var(--sage); }
.step h3 { font-size: 1.15rem; margin-top: 0.75rem; color: var(--forest); }
.step p { font-size: 0.92rem; color: #3a4036; margin-top: 0.5rem; }

/* --------------------------- Gallery ------------------------ */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.shot {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden;
  background-size: cover; background-position: center;
  outline: 1px solid var(--line); outline-offset: -1px;
}
.shot--a { background-image: url('../img/garden-terrasse.svg'); }
.shot--b { background-image: url('../img/garden-massifs.svg'); }
.shot--c { background-image: url('../img/garden-muret.svg'); }
.shot--d { background-image: url('../img/garden-eclairage.svg'); }
.shot--e { background-image: url('../img/garden-haie.svg'); }
.shot--f { background-image: url('../img/garden-allee.svg'); }
.shot__cap {
  position: absolute; left: 1rem; bottom: 0.9rem; color: var(--on-dark);
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  text-shadow: 0 1px 8px rgba(0,0,0,.4);
}
.shot.tall { aspect-ratio: 3 / 4; }

/* --------------------------- CTA band ----------------------- */
.cta-band { background: var(--forest); color: var(--on-dark); border-radius: var(--radius); }
.cta-band .wrap { padding-block: clamp(3rem, 6vw, 5rem); }
.cta-band h2 { color: var(--on-dark); max-width: 18ch; }
.cta-band .eyebrow { color: var(--on-dark-dim); }
.cta-band .eyebrow::before { background: var(--on-dark-dim); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }

/* --------------------------- Contact ------------------------ */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 6vw, 4.5rem); align-items: start; }
.info-list { list-style: none; padding: 0; display: grid; gap: 1.6rem; margin-top: 2rem; }
.info-list dt { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sage); }
.info-list dd { margin: 0.35rem 0 0; font-size: 1.05rem; }
.info-list a:hover { color: var(--forest); }

.form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.5rem; }
.field label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; color: var(--sage); }
.field input, .field textarea, .field select {
  font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.85rem 1rem; transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--forest);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--forest) 15%, transparent);
}
.field textarea { resize: vertical; min-height: 140px; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form__note { font-size: 0.82rem; color: var(--sage); }
.form__status { font-size: 0.92rem; padding: 0.75rem 1rem; border-radius: var(--radius); display: none; }
.form__status.ok { display: block; background: color-mix(in srgb, var(--forest) 12%, var(--paper)); color: var(--forest); }
.form__status.err { display: block; background: #f3e3e0; color: #7a3427; }

/* --------------------------- Page hero (sous-pages) --------- */
.page-hero { padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: clamp(2rem, 4vw, 3.5rem); border-bottom: 1px solid var(--line); }
.page-hero h1 { margin-top: 1.25rem; }
.page-hero .lead { margin-top: 1.25rem; max-width: 52ch; }

/* --------------------------- Footer ------------------------- */
.site-footer { background: var(--forest-deep); color: var(--on-dark); margin-top: 2rem; }
.site-footer .wrap { padding-block: clamp(3rem, 6vw, 4.5rem); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; }
.footer-brand__mark { font-family: var(--display); font-size: 1.6rem; letter-spacing: -0.02em; }
.footer-brand p { color: var(--on-dark-dim); max-width: 34ch; margin-top: 1rem; font-size: 0.95rem; }
.footer-col h4 { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-dark-dim); font-family: var(--sans); }
.footer-col ul { list-style: none; padding: 0; margin-top: 1rem; display: grid; gap: 0.6rem; }
.footer-col a, .footer-col address { color: var(--on-dark); font-style: normal; font-size: 0.95rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: 0.82rem; color: var(--on-dark-dim);
}

/* --------------------------- Reveal ------------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* --------------------------- Responsive --------------------- */
@media (max-width: 900px) {
  .split, .contact-grid, .hero__inner { grid-template-columns: 1fr; }
  .split__aside { position: static; }
  .services { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: inline-flex; }
  .site-header.open .nav__links {
    display: flex; position: absolute; left: 0; right: 0; top: 76px;
    flex-direction: column; align-items: flex-start; gap: 0.25rem;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 1.5rem;
  }
  .site-header.open .nav__links a { padding-block: 0.7rem; width: 100%; }
  .facts { grid-template-columns: 1fr; gap: 1.5rem; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .field--row { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .service, .nav__links a::after { transition: none; }
}